| 中厚板抗层状撕裂性能不合原因分析 |
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| 引用本文： | 叶姜,刘祖强,刘毅敏.中厚板抗层状撕裂性能不合原因分析[J].冶金标准化与质量,2012,50(5):26-28. |
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| 作者姓名： | 叶姜 刘祖强 刘毅敏 |
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| 作者单位： | 广西柳钢技术中心检测室 广西柳州545002 |
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| 摘 要： | 利用金相显微镜、扫描电镜对抗层状撕裂性能差的钢板进行了显微分析,发现造成Z向抗层状撕裂性能差的主要原因是钢板的中心偏析的存在,进而造成钢板厚度中心位置产生了贝氏体+马氏体组织,并且由于热应力,使得裂纹在中心区域萌发并扩展,严重影响了钢板的Z向抗层状撕裂性能.
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| 关 键 词： | 抗层状撕裂性能 中心偏析 微裂纹 |
Analysis of medium thickness plate anti lamellar tearing performance disqualification |
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| Ye Jiang
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Liu Zuqiang
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Liu Yimin.Analysis of medium thickness plate anti lamellar tearing performance disqualification[J].Metallurgical Standardization & Quality,2012,50(5):26-28. |
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| Authors: | Ye Jiang Liu Zuqiang Liu Yimin |
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| Affiliation: | ( Technique Center of Liuzhou Iron ＆ Steel Company, Liuzhou 545002, China ) |
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| Abstract: | Using metallographic microscope, SEM against lamellar tearing performance difference of steel on the microscopic analysis, found that the cause to Z resistance of lamellar tearing performance difference is the main reason of the steel plate center segregation of existence, and the thickness of the steel plate handled by center produced bainite ＋martensite structure, and because of the heat stress, makes the crack in the center area of germination and expand, seriously affected the steel plate of Z to anti lamellar tearing performance. |
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| Keywords: | 1amellar tearing resistance performance center segregation micro-crack |
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